/* ============================================================
   LANDING BUILDER - The New Leaders
   Style cho các "khối sự kiện" (block patterns). Brand: cam #FF4F21.
   ============================================================ */
.tnl-landing {
  --tnl-orange: #FF4F21;
  --tnl-orange-dk: #E03A10;
  --tnl-dark: #1D1D1D;
  --tnl-green: #AFE56B;
  --tnl-light: #FFF4F0;
  --tnl-line: #ECECEC;
  font-family: 'EuclidCircularAVN', 'Euclid Circular A', system-ui, sans-serif;
  color: var(--tnl-dark);
}
.tnl-landing img { max-width: 100%; height: auto; }

/* Section chung */
.tnl-landing .tnl-sec { padding: clamp(48px, 7vw, 96px) 20px; }
.tnl-landing .tnl-sec > * { max-width: 1080px; margin-left: auto; margin-right: auto; }
.tnl-landing .tnl-kicker {
  color: var(--tnl-orange); font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; font-size: 14px; margin: 0 0 10px;
}
.tnl-landing .tnl-h2 { font-size: clamp(28px, 4.4vw, 46px); font-weight: 700; line-height: 1.1; margin: 0 0 28px; }

/* Nút */
.tnl-landing .tnl-btn .wp-block-button__link,
.tnl-landing .tnl-btn a {
  background: var(--tnl-orange); color: #fff; border: 0; border-radius: 999px;
  padding: 15px 34px; font-weight: 600; font-size: 17px; text-decoration: none;
  box-shadow: 0 8px 22px rgba(255,79,33,.32); transition: background .15s, transform .05s; display: inline-block;
}
.tnl-landing .tnl-btn .wp-block-button__link:hover { background: var(--tnl-orange-dk); }
.tnl-landing .tnl-btn--light .wp-block-button__link { background: #fff; color: var(--tnl-orange); box-shadow: 0 8px 22px rgba(0,0,0,.18); }

/* ---------- HERO ---------- */
.tnl-landing .tnl-hero {
  text-align: center; color: #fff;
  background: radial-gradient(1000px 520px at 50% -10%, rgba(255,79,33,.28), transparent 60%), var(--tnl-dark);
}
.tnl-landing .tnl-hero__title { font-size: clamp(34px, 6vw, 68px); font-weight: 700; line-height: 1.05; margin: 0 0 16px; color: #fff; }
.tnl-landing .tnl-hero__sub { font-size: clamp(17px, 2.2vw, 21px); color: rgba(255,255,255,.8); max-width: 640px; margin: 0 auto 18px; }
.tnl-landing .tnl-hero__meta { color: rgba(255,255,255,.92); font-weight: 500; margin: 0 auto 26px; }
.tnl-landing .tnl-hero .wp-block-buttons { justify-content: center; display: flex; }

/* ---------- COUNTDOWN ---------- */
.tnl-countdown { margin: 34px auto 0; }
.tnl-countdown__label { display: block; color: rgba(255,255,255,.65); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 12px; }
.tnl-countdown__grid { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.tnl-cd {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px; padding: 14px 8px; min-width: 78px;
}
.tnl-cd b { display: block; font-size: clamp(28px, 4vw, 40px); font-weight: 700; color: #fff; line-height: 1; }
.tnl-cd span { display: block; margin-top: 6px; font-size: 12px; color: rgba(255,255,255,.6); text-transform: uppercase; letter-spacing: .06em; }

/* ---------- INFO CARDS ---------- */
.tnl-landing .tnl-info__grid { gap: 18px; }
.tnl-landing .tnl-card {
  background: #fff; border: 1px solid var(--tnl-line); border-radius: 16px;
  padding: 26px 20px; text-align: center; height: 100%;
  box-shadow: 0 4px 18px rgba(0,0,0,.04);
}
.tnl-landing .tnl-card__ico { font-size: 34px; margin: 0 0 8px; }
.tnl-landing .tnl-card h3 { margin: 0 0 6px; font-size: 15px; color: #888; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.tnl-landing .tnl-card p { margin: 0; font-size: 20px; font-weight: 600; }

/* ---------- ABOUT ---------- */
.tnl-landing .tnl-about__grid { gap: 48px; }
.tnl-landing .tnl-about__img img { border-radius: 18px; width: 100%; object-fit: cover; }
.tnl-landing .tnl-checklist { list-style: none; margin: 18px 0 0; padding: 0; }
.tnl-landing .tnl-checklist li { position: relative; padding-left: 30px; margin-bottom: 12px; font-size: 17px; }
.tnl-landing .tnl-checklist li:before {
  content: "✓"; position: absolute; left: 0; top: 1px; color: #fff; background: var(--tnl-orange);
  width: 20px; height: 20px; border-radius: 50%; font-size: 12px; display: grid; place-items: center; font-weight: 700;
}

/* ---------- AGENDA ---------- */
.tnl-landing .tnl-timeline { max-width: 760px; border-left: 2px solid var(--tnl-line); padding-left: 0; }
.tnl-landing .tnl-tl__item { display: flex; gap: 20px; padding: 0 0 26px 26px; position: relative; align-items: flex-start; }
.tnl-landing .tnl-tl__item:before {
  content: ""; position: absolute; left: -7px; top: 4px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--tnl-orange); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--tnl-orange);
}
.tnl-landing .tnl-tl__time { flex: 0 0 62px; font-weight: 700; color: var(--tnl-orange); margin: 0; font-size: 17px; }
.tnl-landing .tnl-tl__body h3 { margin: 0 0 4px; font-size: 19px; }
.tnl-landing .tnl-tl__body p { margin: 0; color: #666; }

/* ---------- SPEAKERS ---------- */
.tnl-landing .tnl-speakers__grid { gap: 24px; }
.tnl-landing .tnl-spk { text-align: center; }
.tnl-landing .tnl-spk__img img { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 16px; background: #F3F3F3; }
.tnl-landing .tnl-spk h3 { margin: 14px 0 2px; font-size: 20px; }
.tnl-landing .tnl-spk__role { margin: 0; color: #777; font-size: 15px; }

/* ---------- REGISTER FORM ---------- */
.tnl-landing .tnl-register { background: var(--tnl-light); }
.tnl-landing .tnl-register__sub { color: #666; margin: -14px auto 26px; max-width: 520px; }
.tnl-regform { max-width: 520px; margin: 0 auto; background: #fff; border: 1px solid var(--tnl-line); border-radius: 18px; padding: 28px 26px; box-shadow: 0 12px 40px rgba(0,0,0,.06); }
.tnl-regform__title { margin: 0 0 16px; font-size: 22px; }
.tnl-field { display: block; margin-bottom: 14px; }
.tnl-field > span { display: block; font-size: 14px; font-weight: 500; color: #3A3A3A; margin-bottom: 6px; }
.tnl-field > span b { color: var(--tnl-orange); }
.tnl-field input, .tnl-field textarea {
  width: 100%; border: 1px solid #E2E2E2; border-radius: 10px; padding: 12px 14px;
  font-size: 15px; background: #FAFAFA; font-family: inherit; box-sizing: border-box;
}
.tnl-field input:focus, .tnl-field textarea:focus {
  outline: 0; border-color: var(--tnl-orange); background: #fff; box-shadow: 0 0 0 3px rgba(255,79,33,.16);
}
.tnl-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }
.tnl-regform__submit {
  width: 100%; background: var(--tnl-orange); color: #fff; border: 0; border-radius: 999px;
  padding: 15px; font-size: 17px; font-weight: 600; cursor: pointer; margin-top: 6px;
  box-shadow: 0 8px 22px rgba(255,79,33,.32); transition: background .15s;
}
.tnl-regform__submit:hover { background: var(--tnl-orange-dk); }
.tnl-regform__submit:disabled { opacity: .6; cursor: wait; }
.tnl-regform__msg { margin: 14px 0 0; text-align: center; font-size: 15px; min-height: 20px; }
.tnl-regform__msg.is-ok { color: #1a7f37; font-weight: 600; }
.tnl-regform__msg.is-err { color: #d63638; }

/* ---------- SPONSORS ---------- */
.tnl-landing .tnl-sponsors { padding-top: 40px; padding-bottom: 40px; }
.tnl-landing .tnl-sponsors__ttl { color: #999; font-weight: 500; font-size: 15px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 22px; }
.tnl-landing .tnl-sponsors__row { align-items: center; }
.tnl-landing .tnl-sponsors__row img { max-height: 54px; width: auto; object-fit: contain; filter: grayscale(1); opacity: .7; transition: .2s; }
.tnl-landing .tnl-sponsors__row img:hover { filter: none; opacity: 1; }

/* ---------- FAQ ---------- */
.tnl-landing .tnl-faq { max-width: 780px; }
.tnl-faq__item { border: 1px solid var(--tnl-line); border-radius: 12px; padding: 0; margin: 0 auto 12px; max-width: 780px; background: #fff; overflow: hidden; }
.tnl-faq__item summary { cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: 17px; list-style: none; position: relative; }
.tnl-faq__item summary::-webkit-details-marker { display: none; }
.tnl-faq__item summary:after { content: "+"; position: absolute; right: 22px; top: 16px; font-size: 24px; color: var(--tnl-orange); font-weight: 400; }
.tnl-faq__item[open] summary:after { content: "–"; }
.tnl-faq__item p { margin: 0; padding: 0 22px 20px; color: #555; }

/* ---------- CTA ---------- */
.tnl-landing .tnl-cta { text-align: center; background: linear-gradient(120deg, var(--tnl-orange), var(--tnl-orange-dk)); color: #fff; }
.tnl-landing .tnl-cta__ttl { font-size: clamp(26px, 4vw, 44px); font-weight: 700; color: #fff; margin: 0 0 12px; }
.tnl-landing .tnl-cta__sub { color: rgba(255,255,255,.9); font-size: 18px; margin: 0 0 26px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 781px) {
  .tnl-landing .tnl-info__grid, .tnl-landing .tnl-about__grid, .tnl-landing .tnl-speakers__grid { flex-wrap: wrap; }
  .tnl-landing .tnl-about__grid { gap: 28px; }
  .tnl-cd { min-width: 64px; }
}